40213505240 has 32 divisors (see below), whose sum is σ = 90491009760. Its totient is φ = 16083513600.

The previous prime is 40213505239. The next prime is 40213505309. The reversal of 40213505240 is 4250531204.

It is a happy number.

40213505240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315245 + ... + 424035.

It is an arithmetic number, because the mean of its divisors is an integer number (2827844055).

Almost surely, 2^40213505240 is an apocalyptic number.

40213505240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40213505240 is an abundant number, since it is smaller than the sum of its proper divisors (50277504520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40213505240 is a wasteful number, since it uses less digits than its factorization.

40213505240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118043 (or 118039 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 40213505240 in words is "forty billion, two hundred thirteen million, five hundred five thousand, two hundred forty".